Home / 306,298,772.16-422,692,303.32-167,069,529.60

Finding the Fourth Proportional to 306,298,772.16, 422,692,303.32 and 167,069,529.60

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Solution

The fourth proportional to 306,298,772.16, 422,692,303.32 and 167,069,529.60 is: 230,555,949.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,298,772.16 : 422,692,303.32 = 167,069,529.60 : x
  2. Step 2: Convert to fraction form
    306,298,772.16/422,692,303.32 = 167,069,529.60/x
  3. Step 3: Cross multiply
    306,298,772.16x = 422,692,303.32 × 167,069,529.60
  4. Step 4: Simplify right side
    306,298,772.16x = 70,619,004,281,212,912
  5. Step 5: Solve for x
    x = 70,619,004,281,212,912/306,298,772.16
  6. Step 6: Final answer
    x = 230,555,949.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.